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The problem with the Israeli offensive is that it targets not only Hamas but the entire population of Gaza. Israel as the occupying power (keep in mind it continued to control Gaza's airspace and borders) has an obligation to protect civilians. The fact that Palestinians in Gaza elected Hamas (by a small majority by the way and on an anti-corruption, rather than a political, platform) does not alleviate this responsibility.
As for Palestinians being filled with hatred, as you claim, I think you are simply projecting. How much hatred does it take for Israeli soldiers to block rescuers from the International Red Cross for 4 days while starved Palestinian children cower next to their mothers' dead bodies? Your hasbara makes me sick.